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Molded Case Circuit Breaker

For circuit breaker systems in commercial and industrial facilities, molded case circuit breakers are among the most widely used components for reliable overcurrent protection and electrical distribution. Molded case circuit breakers provide automatic circuit interruption during overload or short circuit conditions, protecting electrical systems and equipment from damage while enabling manual switching control. Electrical.com carries an extensive selection of molded case circuit breakers from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of commercial buildings, manufacturing facilities, data centers, and industrial power distribution applications.
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Part Number
PRICE
Manufacturer
Amperage
Voltage
T6H800DW-4
T6H800DW-4
Limited Stock
From
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ABB
800
600
T6H800EW-4
T6H800EW-4
Limited Stock
From
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ABB
800
600
T6H800TW-4
T6H800TW-4
Limited Stock
From
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ABB
800
600
T6HQ600BW
T6HQ600BW
Limited Stock
From
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ABB
600
600
T6HQ600EW
T6HQ600EW
Limited Stock
From
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ABB
600
600
T6HQ600TW
T6HQ600TW
Limited Stock
From
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ABB
600
600
T6HQ800CW
T6HQ800CW
Limited Stock
From
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ABB
800
600
T6HQ800EW
T6HQ800EW
Limited Stock
From
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ABB
800
600
T6HQ800TW
T6HQ800TW
Limited Stock
From
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ABB
800
600
T6L600BW
T6L600BW
Limited Stock
From
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ABB
600
600
T6L600CW
T6L600CW
Limited Stock
From
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ABB
600
600
T6L600E5W
T6L600E5W
Limited Stock
From
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ABB
600
600
T6L600EW
T6L600EW
Limited Stock
From
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ABB
600
600
T6L800BW
T6L800BW
Limited Stock
From
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ABB
800
600
T6L800CW
T6L800CW
Limited Stock
From
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ABB
800
600
T6L800E5W
T6L800E5W
Limited Stock
From
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ABB
800
600
T6L800EW
T6L800EW
Limited Stock
From
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ABB
800
600
T6L800TW
T6L800TW
Limited Stock
From
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ABB
800
600
T6LQ600BW
T6LQ600BW
Limited Stock
From
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ABB
600
600
T6LQ600EW
T6LQ600EW
Limited Stock
From
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ABB
600
600
T6LQ600TW
T6LQ600TW
Limited Stock
From
Get Price
ABB
600
600
T6LQ800BW
T6LQ800BW
Limited Stock
From
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ABB
800
600
T6N600BW
T6N600BW
Limited Stock
From
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ABB
600
600
T6N600BW-4
T6N600BW-4
Limited Stock
From
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ABB
600
600
Popular Molded Case Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of molded case circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified MCCBs available for immediate shipment. From standard thermal-magnetic breakers to electronic trip units across all amperage ratings, we have what you need when others say no. Our comprehensive molded case circuit breaker inventory spans all voltage and current ratings, frame sizes, and interrupting capacities from all major manufacturers including current production and discontinued models from legacy suppliers. Available in new factory condition, surplus stock, and re-certified options‚ All backed by our standard 2-year Electrical.com warranty. Our molded case circuit breakers serve critical applications across commercial buildings, industrial facilities, manufacturing plants, data centers, healthcare facilities, distribution panels, motor control centers, switchboards, and power distribution systems.


Whether you're maintaining legacy equipment with obsolete MCCB models or sourcing current production breakers for new installations and retrofits, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need molded case circuit breakers now? Call 877-999-7077 or email [email protected]. With same-day shipping available and the right parts ready to ship from our nearest warehouse location, Electrical.com gets your operations back online fast. We can say yes when others have to say no.